// class Person{
//     public userName:string
//     public userAge:number
//     constructor(name:string,age:number){
//         this.userName = name;
//         this.userAge = age;
//     }
//     public run():number{
//         return this.userAge;
//     }
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
// }
// let p1 = new Person('张三',28); 
// console.log( p1.userName );
// class Person{
//     protected userName:string
//     protected userAge:number
//     constructor(){
//         this.userName = '张三';
//         this.userAge = 28;
//     }
// }
// class Child extends Person{
//     run(){
//        return this.userName;
//     }
// }
// let c1 = new Child();
// console.log( c1.run() );
// abstract class Person{
//     abstract run():number;
// }
// class Child extends Person{
//     run(){
//         return 1;
//     }
// }
// let c1 = new Child();
var Db = /** @class */ (function () {
    function Db() {
    }
    return Db;
}());
var Mysql = /** @class */ (function (_super) {
    __extends(Mysql, _super);
    function Mysql() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Mysql.prototype.connection = function () {
    };
    Mysql.prototype.auth = function () {
    };
    return Mysql;
}(Db));
